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Author Question: Face validity a) cannot influence the usefulness of a test b) is typically examined in modern ... (Read 79 times) |
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
There are 60,000 miles of blood vessels in every adult human.
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
Medication errors are more common among seriously ill patients than with those with minor conditions.